Finding the Fourth Proportional to 6,826.58, 10,225.47 and 3,131.93

Step by Step Solution

1. Step 1: Write the proportion equation
   6,826.58 : 10,225.47 = 3,131.93 : x
2. Step 2: Convert to fraction form
   6,826.58/10,225.47 = 3,131.93/x
3. Step 3: Cross multiply
   6,826.58x = 10,225.47 × 3,131.93
4. Step 4: Simplify right side
   6,826.58x = 32,025,493.57
5. Step 5: Solve for x
   x = 32,025,493.57/6,826.58
6. Step 6: Final answer
   x = 4,691.29